XPathNSResolverImpl


1   /*
2    * Copyright 2002-2004 The Apache Software Foundation.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  /*
17   * $Id$
18   */
19  
20  package org.apache.xpath.domapi;
21  
22  import org.apache.xml.utils.PrefixResolverDefault;
23  import org.w3c.dom.Node  ;
24  import org.w3c.dom.xpath.XPathNSResolver;
25  
26  /**
27   *
28   * The class provides an implementation XPathNSResolver according 
29   * to the DOM L3 XPath API Specification, Working Draft 28, March 2002.
30   * 
31   * 
32   * <p>The <code>XPathNSResolver</code> interface permit <code>prefix</code> 
33   * strings in the expression to be properly bound to 
34   * <code>namespaceURI</code> strings. <code>XPathEvaluator</code> can 
35   * construct an implementation of <code>XPathNSResolver</code> from a node, 
36   * or the interface may be implemented by any application.</p>
37   * <p>See also the <a HREF='http://www.w3.org/TR/2002/WD-DOM-Level-3-XPath-20020328'>Document Object Model (DOM) Level 3 XPath Specification</a>.</p>
38   * 
39   * @see org.w3c.dom.xpath.XPathNSResolver
40   * @xsl.usage experimental
41   */
42  public class XPathNSResolverImpl extends PrefixResolverDefault implements XPathNSResolver {
43  
44      /**
45       * Constructor for XPathNSResolverImpl.
46       * @param xpathExpressionContext
47       */
48      public XPathNSResolverImpl(Node   xpathExpressionContext) {
49          super(xpathExpressionContext);
50      }
51  
52      /**
53       * @see org.w3c.dom.xpath.XPathNSResolver#lookupNamespaceURI(String)
54       */
55      public String   lookupNamespaceURI(String   prefix) {
56          return super.getNamespaceForPrefix(prefix);
57      }
58  
59  }
60
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